gas is released when iron filings react with hydrochloric acid.
A
Hydrogen
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
Oxygen
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Chlorine
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A Hydrogen Iron on reaction with hydrochloric acid, replaces the hydrogen from the acid and forms ferrous chloride. Hydrogen gas is evolved during the reaction in the form of bubbles. Fe(s)+2HCl(aq)→FeCl2(aq)+H2(g)